William H. Seward
Secretary of State who influenced the 1867 purchase of Alaska from Russia as part of expanding U.S. influence.
USS Maine
U.S. battleship that exploded in Havana Harbor in 1898; its sinking helped trigger the Spanish-American War.
Yellow Journalism
sensationalized newspaper reporting that exaggerated Spanish atrocities in Cuba to gain public support for war.
Teller Amendment
U.S. promise during the Spanish-American War that Cuba would be allowed to govern itself after Spain was defeated.
Spanish-American War
1898 conflict in which the U.S. defeated Spain and gained territories including Puerto Rico
Philippine-American War
conflict between Filipino nationalists and the United States after the U.S. took control of the Philippines in 1898.
Open Door Policy
U.S. proposal advocating equal trade access to China for all nations while preserving China’s territorial integrity.
William McKinley
U.S. president during the Spanish-American War who supported expansion and imperialism.
Platt Amendment
law allowing the United States to intervene in Cuba and establishing a U.S. naval base at Guantanamo Bay.
Square Deal
Theodore Roosevelt’s domestic program aimed at regulating corporations
Elkins Act
1903 law that strengthened regulation of railroad rates by prohibiting rebates.
Roosevelt Corollary
addition to the Monroe Doctrine declaring the U.S. could intervene in Latin American countries to maintain order and prevent European involvement.
Pure Food and Drug Act
1906 law that regulated food and medicine to protect consumers from unsafe products.
Panama Canal
major engineering project completed in 1914 connecting the Atlantic and Pacific Oceans and strengthening U.S. trade and naval power.
Gentlemen’s Agreement
1907 informal agreement where Japan limited immigration to the U.S. and the U.S. reduced discrimination against Japanese immigrants.
NAACP
civil rights organization founded in 1909 dedicated to ending segregation and discrimination against African Americans.
Triangle Shirtwaist Factory Fire
1911 factory disaster in New York that killed 146 workers and led to improved labor safety laws.
Bull Moose Party
Progressive Party formed by Theodore Roosevelt in 1912 promoting New Nationalism and stronger federal regulation.
Woodrow Wilson
U.S. president elected in 1912 who promoted the progressive program known as the New Freedom.
16th Amendment
constitutional amendment allowing the federal government to collect income tax.
17th Amendment
amendment establishing the direct election of U.S. senators by voters.
Underwood Tariff
1913 law lowering tariffs and replacing lost revenue with the federal income tax.
Federal Reserve Act
1913 law creating the Federal Reserve system to regulate the U.S. money supply and banking system.
Pancho Villa Expedition
1916 U.S. military expedition sent by Woodrow Wilson into Mexico to capture revolutionary leader Pancho Villa.